The strength of a covalent bond depends upon the size of the atoms and the bond order. In general short bonds are strong bonds. For each pair of covalently bonded atoms, choose the one expected to have the higher bond energy. (A) C-C (B) CEC (C) C=O (D) C-O (A,B) (C,D)
Types of Chemical Bonds
The attractive force which has the ability of holding various constituent elements like atoms, ions, molecules, etc. together in different chemical species is termed as a chemical bond. Chemical compounds are dependent on the strength of chemical bonds between its constituents. Stronger the chemical bond, more will be the stability in the chemical compounds. Hence, it can be said that bonding defines the stability of chemical compounds.
Polarizability In Organic Chemistry
Polarizability refers to the ability of an atom/molecule to distort the electron cloud of neighboring species towards itself and the process of distortion of electron cloud is known as polarization.
Coordinate Covalent Bonds
A coordinate covalent bond is also known as a dative bond, which is a type of covalent bond. It is formed between two atoms, where the two electrons required to form the bond come from the same atom resulting in a semi-polar bond. The study of coordinate covalent bond or dative bond is important to know about the special type of bonding that leads to different properties. Since covalent compounds are non-polar whereas coordinate bonds results always in polar compounds due to charge separation.
![### Understanding Covalent Bond Strength
Use the References to access important values if needed for this question.
**The strength of a covalent bond** depends upon the size of the atoms and the bond order. In general, short bonds are strong bonds.
**Question:** For each pair of covalently bonded atoms, choose the one expected to have the higher bond energy.
1. **(A) C-C**
2. **(B) C≡C**
**(A,B)** [_______]
3. **(C) C=O**
4. **(D) C-O**
**(C,D)** [_______]
The exercise aims to help students understand that bond energy is influenced by both the size of the atoms involved and the bond order. Typically, bond energy increases with multiple bonds (i.e., single, double, triple) and with smaller atoms.
### Explanation of Bond Types:
- **C-C**: Single bond between two carbon atoms.
- **C≡C**: Triple bond between two carbon atoms.
- **C=O**: Double bond between carbon and oxygen.
- **C-O**: Single bond between carbon and oxygen.
Students are expected to fill in their choices based on the explanation provided. The expected answers would be:
- For (A, B): **B** (C≡C)
- For (C, D): **C** (C=O)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9a2edb2f-7c78-40b5-b7fe-b2ef3d716529%2Fa2560a22-b8fb-4390-b297-45b9a1dddff8%2Fll29aq_processed.png&w=3840&q=75)
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